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Add support for ARB_sample_shading

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Version : >= 130

Extension Name: ARB_sample_shading

Builtin-variables:
"gl_SampleID"
"gl_SamplePosition"
"gl_SampleMask"
"gl_NumSamples"

Reference:
https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_sample_shading.txt
This commit is contained in:
Chow 2019-11-26 16:18:52 +08:00
parent bd97b6f9f2
commit 78b1180466
5 changed files with 270 additions and 236 deletions
Download patch file Download diff file Expand all files Collapse all files

2
glslang/MachineIndependent/Versions.cpp
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@ -192,6 +192,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_ARB_shader_viewport_layer_array] = EBhDisable;
extensionBehavior[E_GL_ARB_fragment_shader_interlock] = EBhDisable;
extensionBehavior[E_GL_ARB_shader_clock] = EBhDisable;
extensionBehavior[E_GL_ARB_sample_shading] = EBhDisable;
extensionBehavior[E_GL_KHR_shader_subgroup_basic] = EBhDisable;
extensionBehavior[E_GL_KHR_shader_subgroup_vote] = EBhDisable;
@ -394,6 +395,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_ARB_sparse_texture2 1\n"
"#define GL_ARB_sparse_texture_clamp 1\n"
"#define GL_ARB_shader_stencil_export 1\n"
"#define GL_ARB_sample_shading 1\n"
// "#define GL_ARB_cull_distance 1\n" // present for 4.5, but need extension control over block members
"#define GL_ARB_post_depth_coverage 1\n"
"#define GL_ARB_fragment_shader_interlock 1\n"